Medium [CVE-2026-16440] Denial of Service via crafted.class file
This medium-severity Red Hat Linux advisory covers CVE-2026-16440 affecting Red Hat Enterprise Linux 8, Red Hat package: java-1.8.0-ibm.
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Summary
In Eclipse OpenJ9 versions up to 0.60, a crafted.class file with deeply nested annotations causes a segmentation fault. A remote attacker with low privileges could exploit this vulnerability by convincing a user to process a specially crafted `.class` file containing deeply nested annotations.
This could lead to a segmentation fault, resulting in a Denial of Service (DoS) for the affected system. Red Hat severity: Moderate — CVSS 5.7 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H).
Weakness: CWE-787. Affected Red Hat products: Red Hat Enterprise Linux 8.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: java-1.8.0-ibm.
- 0.60
Official advisory · high-confidence parse· fetched 48 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 48 minutes ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 48 minutes ago·verify at source
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